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The area of the base of a prism is 70 mm2. The perimeter of the base is 50 mm. The height of the prism is 9 mm. What is the surface area of the prism? A. 129 mm2 B. 520 mm2 C. 590 mm2 D. 730 mm2
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Oct 5, 2017
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The area of the base of a prism is 70 mm2. The perimeter of the base is 50 mm. The height of the prism is 9 mm.
What is the surface area of the prism?
A.
129 mm2
B.
520 mm2
C.
590 mm2
D.
730 mm2
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Kiwon
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The surface area of a prism is the sum of the lateral area plus the area of the two bases.
LA = p * h
p is the perimeter of the base
For your prism
SA = 2(70) + 50 * 9 = 590 mm^2 <-----
OPTION C
Hope this answers the question,
Idanzalz
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Oct 10, 2017
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Idanzalz
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